On September 12th, GM's director of global digital transformation Saejin Park gave a presentation to the Association of National Advertisers in which he described how the company had secretly gathered data on the radio-listening habits of 90,000 GM owners in LA and Chicago for three months in 2017, tracking what stations they listened to and for how long, and where they were at the time; this data was covertly exfiltrated from the cars by means of their built-in wifi. Read the rest